Lossless JPEG support: Fix build

(Modern compilers require function prototypes.)
diff --git a/cdjpeg.h b/cdjpeg.h
index 2b387b6..0d97fe2 100644
--- a/cdjpeg.h
+++ b/cdjpeg.h
@@ -135,6 +135,7 @@
 EXTERN(boolean) read_scan_script JPP((j_compress_ptr cinfo, char * filename));
 EXTERN(boolean) set_quant_slots JPP((j_compress_ptr cinfo, char *arg));
 EXTERN(boolean) set_sample_factors JPP((j_compress_ptr cinfo, char *arg));
+EXTERN(boolean) set_simple_lossless JPP((j_compress_ptr cinfo, char *arg));
 
 /* djpeg support routines (in rdcolmap.c) */
 
diff --git a/jpegint.h b/jpegint.h
index 98c3fed..4d96117 100644
--- a/jpegint.h
+++ b/jpegint.h
@@ -303,6 +303,9 @@
 
 /* Compression module initialization routines */
 EXTERN(void) jinit_compress_master JPP((j_compress_ptr cinfo));
+EXTERN(void) jinit_c_codec JPP((j_compress_ptr cinfo));
+EXTERN(void) jinit_c_diff_controller JPP((j_compress_ptr cinfo,
+					  boolean need_full_buffer));
 EXTERN(void) jinit_c_master_control JPP((j_compress_ptr cinfo,
 					 boolean transcode_only));
 EXTERN(void) jinit_c_main_controller JPP((j_compress_ptr cinfo,
@@ -312,15 +315,20 @@
 EXTERN(void) jinit_compressor JPP((j_compress_ptr cinfo));
 EXTERN(void) jinit_color_converter JPP((j_compress_ptr cinfo));
 EXTERN(void) jinit_downsampler JPP((j_compress_ptr cinfo));
+EXTERN(void) jinit_lossless_c_codec JPP((j_compress_ptr cinfo));
 EXTERN(void) jinit_marker_writer JPP((j_compress_ptr cinfo));
 /* Decompression module initialization routines */
 EXTERN(void) jinit_master_decompress JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_d_codec JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_d_diff_controller JPP((j_decompress_ptr cinfo,
+					  boolean need_full_buffer));
 EXTERN(void) jinit_d_main_controller JPP((j_decompress_ptr cinfo,
 					  boolean need_full_buffer));
 EXTERN(void) jinit_decompressor JPP((j_decompress_ptr cinfo));
 EXTERN(void) jinit_d_post_controller JPP((j_decompress_ptr cinfo,
 					  boolean need_full_buffer));
 EXTERN(void) jinit_input_controller JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_lossless_d_codec JPP((j_decompress_ptr cinfo));
 EXTERN(void) jinit_marker_reader JPP((j_decompress_ptr cinfo));
 EXTERN(void) jinit_upsampler JPP((j_decompress_ptr cinfo));
 EXTERN(void) jinit_color_deconverter JPP((j_decompress_ptr cinfo));